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KMID : 1024519970060060659
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Journal of the Environmental Sciences
1997 Volume.6 No. 6 p.659 ~ p.670
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Volatile Organic Compound Levels inside Vehicles using Commercial Air Cleaning Devices
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Jo Wan-Kuen
Park Kun-Ho
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Abstract
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Vehicle occupant exposure to volatile organic compounds (VOCs) has been a subject of concern In recent years because of higher levels of VOCs Inside vehicles as compared to the surrounding ambient atmosphere and because of the toxicity of VOCs. The effectiveness of two commercial ACDs for the removal of selected VOCs in the interior of automobiles was evaluated on 115 commutes throegh urban (Taegu) commutes by two cars and 9 idles. The idling and commuting studios conducted under four different driving conditions showed that the ho commercial ACDs were not effective for the removal of VOCs in the interior of vehicles. The concentrations of all target VOCs except benzene were significantly higher (p<0.05) in the interior of older car than of newer cu. The mean levels of benzene and toluene measured in thins study were well excess of earlier other studios In the United States, besides Los Angeles with which was comparable. It was reported that the in-vehicle exposure to benzene and corresponding upper-bound cancel risk were about 8 times higher than those for outdoor environment, while they were about half of those from Indoor environment.
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KEYWORD
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in-vehicle, VOCs, ACDs, commute, exposure, risk, outdoor, indoor
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